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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06063538
Other study ID # IRB23-0847
Secondary ID
Status Recruiting
Phase Early Phase 1
First received
Last updated
Start date February 15, 2024
Est. completion date June 2025

Study information

Verified date April 2024
Source University of Chicago
Contact Kayla Moore, BS
Phone 773-702-8228
Email kaymoore@bsd.uchicago.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to evaluate the combination of CardiaMend, with the addition of amiodarone in the prevention of postoperative atrial fibrillation (POAF) in patients undergoing cardiac arterial bypass grafting (CABG) or valve surgery.


Description:

This study involves using CardiaMend, an FDA cleared (K210331) pericardial reconstruction matrix with the addition of amiodarone, an FDA approved antiarrhythmic drug, as a prevention of post operative atrial fibrillation. This is a single-center, prospective randomized study enrolling adult subjects undergoing isolated cardiac arterial bypass or valve surgery, via complete median sternotomy. CardiaMend will be used according to the Instructions for Use, and then patted dry to facilitate implantation. Four ampules of amiodarone (150mg/3ml; 12cc total volume) will be drawn into a syringe. 2cc will be dripped over the right atrium and a small CardiaMend patch placed to cover this area. Another 2cc will be used over the left atrium and covered with the CardiaMend. The anterior pericardial space will be closed without putting pressure on the underlying structures using the CardiaMend attached to the native pericardium utilizing running 4-0 monofilament suture. A small edge may be left open for drain placement and a small slit for the Left Internal Mammary Artery (LIMA) in case of CABG. The remaining 8 cc of amiodarone will be instilled to the closed pericardial space. Patients will have continuous electrocardiogram (EKG) until discharge. If clinically indicated, patients will receive a monitor for home monitoring per standard of care.


Recruitment information / eligibility

Status Recruiting
Enrollment 63
Est. completion date June 2025
Est. primary completion date November 2024
Accepts healthy volunteers No
Gender All
Age group 20 Years to 85 Years
Eligibility Inclusion Criteria: - Subject aged 20-85 years old. - Patients able to provide written informed consent, understand, and be willing to comply with study-related procedures. - Participants who are scheduled to undergo open-chest cardiac surgery via complete median sternotomy. Includes: - Coronary artery bypass graft (CABG) and/or valve repair/replacement procedures (aortic, mitral, or tricuspid) - Isolated ascending aortic aneurysm replacement/repair - Note: Left atrial appendage (LAA) procedures are allowed if CABG and/or valve repair or replacement is the qualifying surgical procedure, but is not a qualifying surgical procedure on its own. - In sinus rhythm at the time of office visit and prior electrocardiogram (EKG) (note: continuous EKG monitoring for 48 hours is not required). Exclusion Criteria: - Subject unable to give voluntary written informed consent, is unlikely to cooperate or is legally incompetent, including subjects who are institutionalized by court or official order, or in a dependency relationship with, testing center or investigator. - Any condition which could interfere with the subject's ability to comply with the study. - Ongoing participation in an interventional clinical study or during the preceding 30 days. - Female subjects who are pregnant, breastfeeding, were pregnant within the last three months, or are planning to become pregnant during the course of the study. - Active skin or deep infection at the site of implantation. - History of chronic wounds or wound-healing disorders. - Known connective tissue diseases (e.g. Ehlers-Danlos syndrome, Epidermolysis bullosa, Marfan syndrome, Osteogenesis imperfecta). - Immune-suppressed subjects, immune-deficiency subjects (properly managed diabetes mellitus is not an exclusion criterion). - Concomitant oral or IV systemic corticosteroid therapy and/or other constant anti-inflammatory therapies. - Patients already receiving amiodarone as a treatment for atrial fibrillation or ventricular arrhythmias. - Disease of the left pleura, previous intervention in the left pleural space, or chest deformity. - Subjects with end-stage chronic-renal disease / dialysis. - STS (Society of Thoracic Surgeons Score) risk score >5.5% for 30 day mortality.

Study Design


Intervention

Combination Product:
CardiaMend in Combination with Amiodarone
The first three patient will receive 600 mg amiodarone into the intact pericardial space. Amiodarone serum levels will be tested at post operative days 2 and 6. The study will only proceed if there is a serum amiodarone level less than 25% of the normal therapeutic level. This should insure lack of systemic toxicity. After the first 3 patients have demonstrated low amiodarone blood levels, a total of up to 60 patients will be enrolled in the study. The CardiaMend patch will saturated per the instructions and be sutured into place. Amiodarone will be dripped directly over the heart.

Locations

Country Name City State
United States The University of Chicago Chicago Illinois

Sponsors (2)

Lead Sponsor Collaborator
University of Chicago Helios Cardio Inc

Country where clinical trial is conducted

United States, 

References & Publications (11)

Ayers GM, Rho TH, Ben-David J, Besch HR Jr, Zipes DP. Amiodarone instilled into the canine pericardial sac migrates transmurally to produce electrophysiologic effects and suppress atrial fibrillation. J Cardiovasc Electrophysiol. 1996 Aug;7(8):713-21. doi — View Citation

Beau J, Kulik A. Topical amiodarone to prevent postoperative atrial fibrillation: Need for further study. J Thorac Cardiovasc Surg. 2016 Feb;151(2):600. doi: 10.1016/j.jtcvs.2015.10.007. No abstract available. — View Citation

Camm AJ. Safety considerations in the pharmacological management of atrial fibrillation. Int J Cardiol. 2008 Jul 21;127(3):299-306. doi: 10.1016/j.ijcard.2007.11.006. Epub 2008 Jan 8. — View Citation

Darsinos JT, Karli JN, Samouilidou EC, Krumbholz B, Pistevos AC, Levis GM. Distribution of amiodarone in heart tissues following intrapericardial administration. Int J Clin Pharmacol Ther. 1999 Jun;37(6):301-6. — View Citation

Echahidi N, Pibarot P, O'Hara G, Mathieu P. Mechanisms, prevention, and treatment of atrial fibrillation after cardiac surgery. J Am Coll Cardiol. 2008 Feb 26;51(8):793-801. doi: 10.1016/j.jacc.2007.10.043. — View Citation

Feng XD, Wang XN, Yuan XH, Wang W. Effectiveness of biatrial epicardial application of amiodarone-releasing adhesive hydrogel to prevent postoperative atrial fibrillation. J Thorac Cardiovasc Surg. 2014 Sep;148(3):939-43. doi: 10.1016/j.jtcvs.2014.05.049. — View Citation

Frendl G, Sodickson AC, Chung MK, Waldo AL, Gersh BJ, Tisdale JE, Calkins H, Aranki S, Kaneko T, Cassivi S, Smith SC Jr, Darbar D, Wee JO, Waddell TK, Amar D, Adler D; American Association for Thoracic Surgery. 2014 AATS guidelines for the prevention and management of perioperative atrial fibrillation and flutter for thoracic surgical procedures. J Thorac Cardiovasc Surg. 2014 Sep;148(3):e153-93. doi: 10.1016/j.jtcvs.2014.06.036. Epub 2014 Jun 30. No abstract available. — View Citation

Habbab LM, Chu FV. Intrapericardial Amiodarone for the Prevention of Postoperative Atrial Fibrillation. J Card Surg. 2016 Apr;31(4):253-8. doi: 10.1111/jocs.12700. Epub 2016 Feb 2. — View Citation

Lowres N, Mulcahy G, Jin K, Gallagher R, Neubeck L, Freedman B. Incidence of postoperative atrial fibrillation recurrence in patients discharged in sinus rhythm after cardiac surgery: a systematic review and meta-analysis. Interact Cardiovasc Thorac Surg. — View Citation

Marcano J, Campos K, Rodriguez V, Handy K, Brewer MA, Cohn WE. Intrapericardial delivery of amiodarone rapidly achieves therapeutic levels in the atrium. Heart Surg Forum. 2013 Oct;16(5):E279-86. doi: 10.1532/hsf98.2013188. — View Citation

Rego A, Cheung PC, Harris WJ, Brady KM, Newman J, Still R. Pericardial closure with extracellular matrix scaffold following cardiac surgery associated with a reduction of postoperative complications and 30-day hospital readmissions. J Cardiothorac Surg. 2 — View Citation

* Note: There are 11 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Post Operative Atrial Fibrillation The patients have continuous electrocardiogram (EKG) monitoring until discharge to evaluate for any evidence of atrial fibrillation or atrial flutter which lasts longer than one hour or if less than one hour, requires medical or procedural intervention. Evidence of atrial fibrillation or atrial flutter will be confirmed by 12 lead electrocardiogram by loss or changes to the P wave, as well as irregularities in the QRS wave interval, heart rhythm, or rate. If clinically indicated, patients will receive a monitor for home monitoring per standard of care. Through discharge, an average 7 days to 2 weeks
Secondary Additional Hospital Time Required Due to Atrial Fibrillation/Flutter Burden of atrial fibrillation as defined by additional treatment regimen, additional time in intensive care unit (ICU), complications directly associated with atrial fibrillation Through discharge, an average 7 days to 2 weeks
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